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Using Embeddings to Correct for Unobserved Confounding in Networks

2019/02/11 by Victor Veitch, Zhaoran Wang, Veitch, Victor +4 · 6 citations
Computer Science · Mathematics · #Advanced Causal Inference Techniques #Advanced Graph Neural Networks #Bayesian Modeling and Causal Inference #FOS: Computer and information sciences #Machine Learning (cs.LG) #Machine Learning (stat.ML) #cs.LG #stat.ML

paper · pdf · doi:10.48550/arxiv.1902.04114

An earlier version also addressed the use of text embeddings. That material has been expanded and moved to arxiv:1905.12741, "Using Text Embeddings for Causal Inference"

openalex publication_date 2019/02/11 · arxiv created 2019/05/31 · arxiv updated 2019/06/03 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We consider causal inference in the presence of unobserved confounding. We study the case where a proxy is available for the unobserved confounding in the form of a network connecting the units. For example, the link structure of a social network carries information about its members. We show how to effectively use the proxy to do causal inference. The main idea is to reduce the causal estimation problem to a semi-supervised prediction of both the treatments and outcomes. Networks admit high-quality embedding models that can be used for this semi-supervised prediction. We show that the method yields valid inferences under suitable (weak) conditions on the quality of the predictive model. We validate the method with experiments on a semi-synthetic social network dataset. Code is available at github.com/vveitch/causal-network-embeddings.

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